Per backend FORCE_EMAIL_VALIDATION is not respected

[mikek]

Documentation points to SOCIAL_AUTH_BACKEND_FORCE_EMAIL_VALIDATION style setting, which seems to be ignored at email_validation.

Extending the condition with something like strategy.backend.setting('FORCE_EMAIL_VALIDATION', False) fixes this issue for me.

[omab]

@mikek, that change should get rid of the issue.

Thanks for the report!